3) Which one of these carriers can you NOT buy a nonstop ticket on between the US and Canada
e) SK

a) AC (obviously)
b) CX (YVR-JFK)
c) AS (many)
d) LY (LAX-YYZ)

4) If you have miles in United Mileage Plus program, which of these airlines can you upgrade on using those miles
b) LH (with the exception of many LH flight, you can't use UA miles to upgrade on any other airline, including Star Alliance flights)

a) MEA Middle East Airlines (Lebanon)">ME
c) BD
d) BA
e) DL

5) If there are three apples and you take away two apples, how many apples do you have
If you take two apples, then you have two apples.